6.—(1) At the request of a keeper, a manufacturer of identification devices may, subject to article 6(2), add supplementary information to an identification device or replacement device provided that—
(a)the supplementary information is distinct from the identification code; and
(b)the identification code remains legible and clearly distinguishable at all times.
(2) A keeper may apply an additional tag to an animal but it must not contain the letters “UK” or bear a flockmark or herdmark, unless authorised by the Welsh Ministers.